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Patents > CPCs : CPC B64C13/00 or CPC B64C33/02 & Number of claims: 2-5

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Office:
Inventors:
Anton Flettner (8) · None (7) · Harris Booth (5) · Roger Sommer (4) · Robert Esnault-Pelterie (4) · Antonio Gustiana (3) · Robert Strehlau (3) · Frederick William Lanchester (3) · John William Copley (3)
Inventor country:
Inventor location:
None (208) · Seine (5) · Birmingham (2) · Seine-et-Oise (2) · Rhône (2) · Paris (2)
Applicant person:
None (16) · Anton Flettner (8) · Harris Booth (5) · Roger Sommer (4) · Robert Esnault-Pelterie (4) · John William Copley (3) · Frederick William Lanchester (3) · Antonio Gustiana (3)
Applicant is inventor:
Tech fields:
airplane (72) · control (58) · flapping (44) · stability (43) · None (38) · wings (33) · frame (33) · steering (29) · rudder (29) · navigation (29) · propulsion (24) · design (24) · ornithopter (19) · construction (12) · propeller (11) · lift (11) · subsystem (10) · hybrid (10)
Full specification filed date:
Application number:
None (24)
Granted:
Publication date:
Supplementary to patent:
None (190) · Patent US-1913-1118124 (2) · Patent FR-1912-451312 (2) · Patent DE-1910-09-03 Richard Blum (2) · Patent DE-1918-388537 (2)
Related to aircraft:
Patent agent:
None (47) · Armengaud jeune (11) · Marks & Clerk (8) · Brewer & Son (7) · Boult, Wade & Tennant (6) · E. Blétry (6) · Munn & Co. (5) · C. A. Snow & Co. (5) · Dupont et Elluin (4) · Haseltine, Lake & Co. (4) · Schwab (3) · G. F. Redfern & Co.‎ (3) · H. C. Evert & Co. (3) · Abel & Imray (3) · J. Germain (3) · Brandon frères (3) · Victor J. Evans (3)
National tech categories:
None (76) · FR 6.4 (64) · USPC 244/22 (21) · USPC 244/233 (11) · DE 77h.5 (9) · USPC 244/72 (8) · DE 77h.10 (8) · USPC 244/90R (7) · USPC 244/82 (5) · FR 6.3 (5) · USPC 244/88 (4) · USPC 244/78.1 (4) · USPC 244/237 (4) · USPC 244/231 (4) · USPC 244/234 (3) · DE 77 (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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